RDF::Query::Plan::Aggregate - Executable query plan for Aggregates.
This document describes RDF::Query::Plan::Aggregate version 2.918.
Beyond the methods documented below, this class inherits methods from the
RDF::Query::Plan class.
- "new ( $pattern, \@group_by, expressions => [ [ $alias, $op,
\%options, @attributes ], ... ] )"
- "execute ( $execution_context )"
- "next"
- "close"
- "pattern"
- Returns the query plan that will be used to produce the aggregated
data.
- "groupby"
- Returns the grouping arguments that will be used to produce the aggregated
data.
- "plan_node_name"
- Returns the string name of this plan node, suitable for use in
serialization.
- "plan_node_data"
- Returns the data for this plan node that corresponds to the values
described by the signature returned by
"plan_prototype".
- "sse ( $context, $indent )"
- "distinct"
- Returns true if the pattern is guaranteed to return distinct results.
- "ordered"
- Returns true if the pattern is guaranteed to return ordered results.
Gregory Todd Williams <gwilliams@cpan.org>